body{
    background-color: white;
    margin-top: 0px;
}
header{
    margin: 0px;
    background: url("/img/header.jpg");
    width: 1000px;
    height: 200px;
    position: static;
    margin-left: 13%;
    margin-right: 13%;
}
nav{
    width: 1000px;
    height: 40px;
    margin-left: 13%;
    margin-right: 13%;
    background: #cdd4da;
}
nav ul{
    margin: 0px;
    padding: 0px;
}
nav ul li{
    margin: 10px;
    float: left;
    list-style: none;
}
section#contenedor{
    margin-left: 13%;
    margin-right: 13%;
    width: 1000PX;
    background: #f9fdfe;
}
#principal{
    width: 1000px;
    height: 200px;
    
    background: #f9fdfe;
}
#contenedoraside{
    width: 1000px;
    height: 500px;
    position: fixed;
    background: activeborder;
}

#asideIzquierda{
    width: 330px;
    background: #c0d9de;
    float: left;
  
}
#asideCentral{
    width: 330px;
    height: 340px;
    background: #c0d9de;
    margin-left: 335px;
   
}
#asideDerecho{
    width: 330px;
    height: 340px;
    background: #c0d9de;
    float: right;
}
fieldset{
    margin: 5px;
}
#noticia{
    width: 400px;
}
#articleNoticia{
    width: 900px;
    
    margin: 5px;
    margin-left: 50px;
    border: 1px black solid;
    background-color: aliceblue;
    border-radius: 10px;
}
#tituloNoticia{
    font-style: oblique;
    background-color: lightgray;
    border-radius: 10px;
}
#articleNoticiaResumen{
    width: 215px;
    height: 55px;
    margin: 5px;
    border: 1px black solid;
    background-color: aliceblue;
    border-radius: 10px;
}

